Home / 37,726.91-56,555.20-12,749.50

Finding the Fourth Proportional to 37,726.91, 56,555.20 and 12,749.50

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Solution

The fourth proportional to 37,726.91, 56,555.20 and 12,749.50 is: 19,112.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,726.91 : 56,555.20 = 12,749.50 : x
  2. Step 2: Convert to fraction form
    37,726.91/56,555.20 = 12,749.50/x
  3. Step 3: Cross multiply
    37,726.91x = 56,555.20 × 12,749.50
  4. Step 4: Simplify right side
    37,726.91x = 721,050,219.19
  5. Step 5: Solve for x
    x = 721,050,219.19/37,726.91
  6. Step 6: Final answer
    x = 19,112.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.